Core/Transports

* Fixed transport orientation
* Fixed transport position desynchronization for stoppable transports
* Ignore spawnMask errors for objects spawned on transports
Scripts/Misc: Fix uninitialized values

Fix uninitialized values in scripts reported by valgrind.
Scripting/War Master Voone: Fix Cleave spell and minor cleanup.
Merge branch 'master' of github.com:TrinityCore/TrinityCore
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore